材质 
M6
1
17.2
9
6
2.9
110
7.5
M8
1.25
17.2
12
8
3.6
110
10
M10
1.5
21.3
15
8
4
125
12
M12
1.75
25
18
10
4
125
15
M16
2
30
24
10
4.5
170.0
20.0
M20
2.5
337
30
12
5
200.0
24.0
M24
3
42.4
33
12
5.6
255.0
29.0
M30
3.5
51
41
16
6.3
255.0
35.0
M36
4
63.5
50
16
8
295.0
43.0
M42
4.5
70
60
20
8.8
330.0
51.0
M48
5
82.5
72
20
10
355.0
58.0